Sewage line blow-out device



FIG. 1 is an enlarged exploded perspective view of a sewage line blow-out device, showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is the rear elevational view thereof;

FIG. 6 is a left-side elevational view of thereof;

FIG. 7 is a right-side elevational view of thereof; and,

FIG. 8 is an enlarged exploded cross-sectional perspective view thereof, taken generally along the lines of 9-9 of FIG. 3. 

CLAIM I claim the ornamental design for a sewage line blow-out device, as shown and described. 